Dynamic operation adjustment in wireless power transfer system

Abstract

A wireless power transfer system is provided having a wireless transmission system that includes an input to receive input power from an input power source, a transmission antenna, and a transmission controller configured to generate wireless signals based, at least in part, on the input power, the wireless signals including wireless power signals and wireless data signals, and to transmit such wireless signals. The wireless power transfer system further includes a wireless receiver system in a wireless peripheral device, the wireless receiver system having a receiver antenna configured to receive the wireless power signals and wireless data signals via inductive coupling with the transmission antenna, as well as a receiver controller configured to determine the acceleration of the wireless peripheral device, generate a prescribed update frequency based on the detected acceleration, and transmit operational updates to the wireless transmission system at the prescribed update frequency.

What is claimed is: 
     
       1. A wireless power transfer system comprising:
 a wireless transmission system, the wireless transmission system having:
 an input to receive input power from an input power source; 
 a transmission antenna; and 
 a transmission controller configured to generate wireless signals based, at least in part, on the input power, the wireless signals including wireless power signals and wireless data signals, and to transmit the wireless signals at a transmit power; and 
 
 a wireless receiver system in a wireless peripheral device, the wireless receiver system having:
 a receiver antenna configured to receive the wireless power signals and wireless data signals via inductive coupling with the transmission antenna; and 
 a receiver controller configured to detect an acceleration of the wireless peripheral device, generate a prescribed update frequency based on the detected acceleration, and transmit operational updates to the wireless transmission system at the prescribed update frequency, the operational updates configured to alter wireless power transmission in real-time during movement of the wireless peripheral device. 
 
 
     
     
       2. The wireless power transfer system of  claim 1 , wherein the wireless peripheral device includes one or more of a computer input device, a mouse, a keyboard, a tablet computer, a mobile device, an audio device, a headset, headphones, earbuds, a remote control, a recording device, a conference telephonic device, a microphone, a gaming controller, a camera, a stylus, electronic eyewear, or combinations thereof. 
     
     
       3. The wireless power transfer system of  claim 1 , wherein wireless transmission system is configured to directly power the wireless peripheral device. 
     
     
       4. The wireless power transfer system of  claim 1 , wherein wireless transmission system is configured to provide electrical power to a load of an electronic device operatively associated with the wireless receiver system, wherein the load is an electrical energy storage device of the wireless peripheral device. 
     
     
       5. The wireless power transfer system of  claim 1 , wherein the transmission controller is further configured to provide driving signals for driving the transmission antenna, the wireless power transfer system further comprising:
 a power conditioning system configured to receive the driving signals and generate the wireless signals based, at least in part, on the driving signals. 
 
     
     
       6. The wireless power transfer system of  claim 1 , further comprising a demodulation circuit configured to receive communications signals from the wireless receiver system and decode the communications signals by determining a rate of change in electrical characteristics of the communications signals. 
     
     
       7. The wireless power transfer system of  claim 1 , wherein the transmission antenna is configured to operate based on an operating frequency of about 6.78 MHz. 
     
     
       8. The wireless power transfer system of  claim 1 , wherein the receiver controller is configured to generate the prescribed update frequency based on the detected acceleration by mapping the detected acceleration to the prescribed update frequency based on a predetermined map. 
     
     
       9. A method of wireless power transfer between a wireless transmission system having a transmission antenna and a peripheral device with a wireless receiver system having a receiving antenna, the method comprising:
 generating AC wireless signals including wireless power signals and wireless data signals; 
 transmitting the AC wireless signals to the receiver antenna via the transmission antenna to provide power and data to the peripheral device; 
 detecting acceleration of the peripheral device at the wireless receiver system; 
 generating an update frequency based on the detected acceleration of the peripheral device; and 
 transmitting operational updates from the wireless receiver system to the wireless transmission system via the receiving antenna and the transmission antenna at the generated update frequency, the operational updates configured to alter wireless power transmission in real-time during movement of the peripheral device. 
 
     
     
       10. The method of  claim 9 , wherein the peripheral device includes one or more of a computer input device, a mouse, a keyboard, a tablet computer, a mobile device, an audio device, a headset, headphones, earbuds, a remote control, a recording device, a conference telephonic device, a microphone, a gaming controller, a camera, a stylus, electronic eyewear, or combinations thereof. 
     
     
       11. The method of  claim 9 , wherein the AC wireless signals directly power the peripheral device. 
     
     
       12. The method of  claim 9 , wherein the AC wireless signals provide electrical power to a load of an electronic device operatively associated with the wireless receiver system, wherein the load is an electrical energy storage device of the peripheral device. 
     
     
       13. The method of  claim 9 , wherein generating the AC wireless signals including the wireless power signals and the wireless data signals further comprises generating driving signals for driving the transmission antenna, and conditioning the driving signals to generate the AC wireless signals based, at least in part, on the driving signals. 
     
     
       14. The method of  claim 9 , wherein generating the AC wireless signals including the wireless power signals and the wireless data signals further comprises encoding the wireless data signals in the AC wireless signals as modulations in the AC wireless signals. 
     
     
       15. The method of  claim 9 , wherein the transmission antenna is configured to operate based on an operating frequency of about 6.78 MHz. 
     
     
       16. The method of  claim 9 , wherein generating the update frequency based on the detected acceleration of the peripheral device further comprises mapping the detected acceleration of the peripheral device to the update frequency based on a predetermined map. 
     
     
       17. A wireless power transfer system comprising:
 a wireless transmission system in a surface supporting a peripheral device, the wireless transmission system being configured to transmit power and data via inductive coupling; and 
 a wireless receiver system within the peripheral device configured to inductively couple with the wireless transmission system to receive the transmitted power and data, detect acceleration of the peripheral device, generate an update frequency based on the detected acceleration of the peripheral device, and transmit operational updates to the wireless transmission system at the generated update frequency via the inductive coupling, the operational updates configured to alter wireless power transmission in real-time during movement of the peripheral device. 
 
     
     
       18. The wireless power transfer system of  claim 17 , wherein the wireless receiver system is configured to use the transmitted power to either directly power the peripheral device or provide power to an electrical energy storage device of the peripheral device. 
     
     
       19. The wireless power transfer system of  claim 17 , wherein the wireless transmission system is configured to operate at an operating frequency of about 6.78 MHz. 
     
     
       20. The wireless power transfer system of  claim 17 , wherein the wireless receiver system is configured to generate the update frequency based on the detected acceleration of the peripheral device by mapping the detected acceleration to the update frequency based on a predetermined map.